The module automatically provides a default canonical url to your item, classification, CMS pages only. By default, the module uses The existing url of your page as the default canonical url. Canonical URLs are utilized to prevent copy content material and indicate to search engines which web site may be https://addons.prestashop.com/it/seo-indicizzazione-naturale/31857-google-rich-snippet-automatico-json-ld-open-graph-seo.html